1815

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
3
5
11² = 121

Its 12 divisors are:
1
3
5
11
15
33
55
121
165
363
605
1815
Its aliquote sum is:
1377
makeing it a deficient number.

As Unicode codepoint (since version 3.0) this number represents this character:ܗ SYRIAC LETTER HE in Syriac (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1815); HTML: ܗ

The number appears at position 728 of the decimal digits of π surrounded by
61121290219608640344181598136297747713099605 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 947.527ms; cpu: 83.3029999999999ms)